@Override
public JavaContentAssistInvocationContext apply(IInvocationContext context) {
ICompilationUnit cu = context.getCompilationUnit();
int offset = context.getSelectionOffset();
try {
cu.codeComplete(
offset,
new CompletionRequestor() {
@Override
public void acceptContext(CompletionContext context) {
internalContext = context;
}
@Override
public boolean isExtendedContextRequired() {
return true;
}
@Override
public void accept(CompletionProposal proposal) {}
});
} catch (JavaModelException e) {
propagate(e);
}
JavaEditor editor = cast(EditorUtility.isOpenInEditor(cu));
ISourceViewer viewer = editor.getViewer();
return new JavaContentAssistInvocationContext(viewer, offset, editor) {
@Override
public CompletionContext getCoreContext() {
return internalContext;
}
};
}
private IJavaCompletionProposal[] createJavaClassesProposals(String prefix)
throws JavaModelException {
if (prefix != null && !Utils.isEmpty(prefix.trim())) {
CompletionProposalCollector collector = new CompletionProposalCollector(this.getProject());
ICompilationUnit unit = getTemporaryCompilationUnit(this.getProject());
String source = TEMPORAL_CLASS_START + prefix + "}}";
setContentsToCU(unit, source);
unit.codeComplete(source.length() - 2, collector, DefaultWorkingCopyOwner.PRIMARY);
IJavaCompletionProposal[] proposals = collector.getJavaCompletionProposals();
return proposals;
} else {
return new IJavaCompletionProposal[] {};
}
}
private CompilationUnitCompletion getCompletion() {
ICompilationUnit compilationUnit = getCompilationUnit();
if (fCompletion == null) {
fCompletion = new CompilationUnitCompletion(compilationUnit);
if (compilationUnit != null) {
try {
compilationUnit.codeComplete(getStart(), fCompletion);
} catch (JavaModelException e) {
// ignore
}
}
}
return fCompletion;
}